Earphone



FIG. 1 is a perspective view of an earphone;

FIG. 2 is a left side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a bottom plan view.

The broken lines showing on the drawing disclosure are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for an earphone, as shown and described.